title: Formation of unidentified nitrogen in plants: an implication for a novel nitrogen metabolism.
mesh_terms: D005651:Fumigation; D008954:Models, Biological; D009584:Nitrogen / Q000378:metabolism*; D009585:Nitrogen Dioxide / Q000378:metabolism*; D018515:Plant Leaves / Q000737:chemistry / Q000378:metabolism*; D010944:Plants / Q000737:chemistry* / Q000378:metabolism*
chemical_list: D009584:Nitrogen; D009585:Nitrogen Dioxide